{"id":"CVE-2026-86833","revision":"bfcc29ca3d704ca48ed33f91ad083865","records":[{"revision":"bfcc29ca3d704ca48ed33f91ad083865","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-86833","aliases":[],"title":"MetForm < 4.3.1 - Unauthenticated HTML Injection in Notification Emails via Field Shortcodes","description":"The MetForm WordPress plugin before 4.3.1 does not sanitize or escape submitted form-field values before inserting them into the HTML body of its email notifications, allowing unauthenticated attackers to inject arbitrary markup into the administrator and submitter notification emails the site sends.","state":0,"publishedAt":"2026-10-07T06:47:51.929+00:00","modifiedAt":"2026-10-07T09:49:40.451+00:00","affected":[{"ecosystem":"https://wordpress.org/plugins","name":"MetForm","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Unknown\",\n                    \"product\": \"MetForm\",\n                    \"collectionURL\": \"https://wordpress.org/plugins\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"version\": \"0\",\n                            \"lessThan\": \"4.3.1\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\"\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","score":5.4,"severity":"MEDIUM"}],"references":["https://wpscan.com/vulnerability/6d6850d6-6fdf-4b97-9ccb-c90f9ed01ab0/"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-86833","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-86833","identifiers":["CVE-2026-86833"]},"retained":false,"historicalAffected":[]}],"coverage":[]}